P.N Takkar <br/><br/>
Twenty years of co-ordinated research in on micronutrients in soils and plants 1967-1987 

 - Bhopal  Indian Institute Of  Soil Science  1989 
 - 314p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.8  / TAK